1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2009-2013 Realtek Corporation.
7 * wlanfae <wlanfae@realtek.com>
8 * Realtek Corporation, No. 2, Innovation Road II, Hsinchu Science Park,
11 * Larry Finger <Larry.Finger@lwfinger.net>
13 *****************************************************************************/
15 #include <linux/vmalloc.h>
16 #include <linux/module.h>
19 #include "halbt_precomp.h"
21 static struct rtl_btc_ops rtl_btc_operation = {
22 .btc_init_variables = rtl_btc_init_variables,
23 .btc_init_variables_wifi_only = rtl_btc_init_variables_wifi_only,
24 .btc_deinit_variables = rtl_btc_deinit_variables,
25 .btc_init_hal_vars = rtl_btc_init_hal_vars,
26 .btc_power_on_setting = rtl_btc_power_on_setting,
27 .btc_init_hw_config = rtl_btc_init_hw_config,
28 .btc_init_hw_config_wifi_only = rtl_btc_init_hw_config_wifi_only,
29 .btc_ips_notify = rtl_btc_ips_notify,
30 .btc_lps_notify = rtl_btc_lps_notify,
31 .btc_scan_notify = rtl_btc_scan_notify,
32 .btc_scan_notify_wifi_only = rtl_btc_scan_notify_wifi_only,
33 .btc_connect_notify = rtl_btc_connect_notify,
34 .btc_mediastatus_notify = rtl_btc_mediastatus_notify,
35 .btc_periodical = rtl_btc_periodical,
36 .btc_halt_notify = rtl_btc_halt_notify,
37 .btc_btinfo_notify = rtl_btc_btinfo_notify,
38 .btc_btmpinfo_notify = rtl_btc_btmpinfo_notify,
39 .btc_is_limited_dig = rtl_btc_is_limited_dig,
40 .btc_is_disable_edca_turbo = rtl_btc_is_disable_edca_turbo,
41 .btc_is_bt_disabled = rtl_btc_is_bt_disabled,
42 .btc_special_packet_notify = rtl_btc_special_packet_notify,
43 .btc_switch_band_notify = rtl_btc_switch_band_notify,
44 .btc_switch_band_notify_wifi_only = rtl_btc_switch_band_notify_wifionly,
45 .btc_record_pwr_mode = rtl_btc_record_pwr_mode,
46 .btc_get_lps_val = rtl_btc_get_lps_val,
47 .btc_get_rpwm_val = rtl_btc_get_rpwm_val,
48 .btc_is_bt_ctrl_lps = rtl_btc_is_bt_ctrl_lps,
49 .btc_is_bt_lps_on = rtl_btc_is_bt_lps_on,
50 .btc_get_ampdu_cfg = rtl_btc_get_ampdu_cfg,
51 .btc_display_bt_coex_info = rtl_btc_display_bt_coex_info,
54 void rtl_btc_display_bt_coex_info(struct rtl_priv *rtlpriv, struct seq_file *m)
56 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
59 seq_puts(m, "btc_coexist context is NULL!\n");
63 exhalbtc_display_bt_coex_info(btcoexist, m);
66 void rtl_btc_record_pwr_mode(struct rtl_priv *rtlpriv, u8 *buf, u8 len)
68 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
74 safe_len = sizeof(btcoexist->pwr_mode_val);
79 memcpy(btcoexist->pwr_mode_val, buf, safe_len);
82 u8 rtl_btc_get_lps_val(struct rtl_priv *rtlpriv)
84 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
89 return btcoexist->bt_info.lps_val;
92 u8 rtl_btc_get_rpwm_val(struct rtl_priv *rtlpriv)
94 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
99 return btcoexist->bt_info.rpwm_val;
102 bool rtl_btc_is_bt_ctrl_lps(struct rtl_priv *rtlpriv)
104 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
109 return btcoexist->bt_info.bt_ctrl_lps;
112 bool rtl_btc_is_bt_lps_on(struct rtl_priv *rtlpriv)
114 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
119 return btcoexist->bt_info.bt_lps_on;
122 void rtl_btc_get_ampdu_cfg(struct rtl_priv *rtlpriv, u8 *reject_agg,
123 u8 *ctrl_agg_size, u8 *agg_size)
125 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
129 *ctrl_agg_size = false;
134 *reject_agg = btcoexist->bt_info.reject_agg_pkt;
136 *ctrl_agg_size = btcoexist->bt_info.bt_ctrl_agg_buf_size;
138 *agg_size = btcoexist->bt_info.agg_buf_size;
141 static void rtl_btc_alloc_variable(struct rtl_priv *rtlpriv, bool wifi_only)
144 rtlpriv->btcoexist.wifi_only_context =
145 kzalloc(sizeof(struct wifi_only_cfg), GFP_KERNEL);
147 rtlpriv->btcoexist.btc_context =
148 kzalloc(sizeof(struct btc_coexist), GFP_KERNEL);
151 static void rtl_btc_free_variable(struct rtl_priv *rtlpriv)
153 kfree(rtlpriv->btcoexist.btc_context);
154 rtlpriv->btcoexist.btc_context = NULL;
156 kfree(rtlpriv->btcoexist.wifi_only_context);
157 rtlpriv->btcoexist.wifi_only_context = NULL;
160 void rtl_btc_init_variables(struct rtl_priv *rtlpriv)
162 rtl_btc_alloc_variable(rtlpriv, false);
164 exhalbtc_initlize_variables(rtlpriv);
165 exhalbtc_bind_bt_coex_withadapter(rtlpriv);
168 void rtl_btc_init_variables_wifi_only(struct rtl_priv *rtlpriv)
170 rtl_btc_alloc_variable(rtlpriv, true);
172 exhalbtc_initlize_variables_wifi_only(rtlpriv);
175 void rtl_btc_deinit_variables(struct rtl_priv *rtlpriv)
177 rtl_btc_free_variable(rtlpriv);
180 void rtl_btc_init_hal_vars(struct rtl_priv *rtlpriv)
182 /* move ant_num, bt_type and single_ant_path to
183 * exhalbtc_bind_bt_coex_withadapter()
187 void rtl_btc_power_on_setting(struct rtl_priv *rtlpriv)
189 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
194 exhalbtc_power_on_setting(btcoexist);
197 void rtl_btc_init_hw_config(struct rtl_priv *rtlpriv)
199 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
203 bt_exist = rtl_get_hwpg_bt_exist(rtlpriv);
204 RT_TRACE(rtlpriv, COMP_INIT, DBG_DMESG,
205 "%s, bt_exist is %d\n", __func__, bt_exist);
210 exhalbtc_init_hw_config(btcoexist, !bt_exist);
211 exhalbtc_init_coex_dm(btcoexist);
214 void rtl_btc_init_hw_config_wifi_only(struct rtl_priv *rtlpriv)
216 struct wifi_only_cfg *wifionly_cfg = rtl_btc_wifi_only(rtlpriv);
221 exhalbtc_init_hw_config_wifi_only(wifionly_cfg);
224 void rtl_btc_ips_notify(struct rtl_priv *rtlpriv, u8 type)
226 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
231 exhalbtc_ips_notify(btcoexist, type);
235 * In some situation, it doesn't scan after leaving IPS, and
236 * this will cause btcoex in wrong state.
238 exhalbtc_scan_notify(btcoexist, 1);
239 exhalbtc_scan_notify(btcoexist, 0);
243 void rtl_btc_lps_notify(struct rtl_priv *rtlpriv, u8 type)
245 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
250 exhalbtc_lps_notify(btcoexist, type);
253 void rtl_btc_scan_notify(struct rtl_priv *rtlpriv, u8 scantype)
255 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
260 exhalbtc_scan_notify(btcoexist, scantype);
263 void rtl_btc_scan_notify_wifi_only(struct rtl_priv *rtlpriv, u8 scantype)
265 struct rtl_hal *rtlhal = rtl_hal(rtlpriv);
266 struct wifi_only_cfg *wifionly_cfg = rtl_btc_wifi_only(rtlpriv);
267 u8 is_5g = (rtlhal->current_bandtype == BAND_ON_5G);
272 exhalbtc_scan_notify_wifi_only(wifionly_cfg, is_5g);
275 void rtl_btc_connect_notify(struct rtl_priv *rtlpriv, u8 action)
277 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
282 exhalbtc_connect_notify(btcoexist, action);
285 void rtl_btc_mediastatus_notify(struct rtl_priv *rtlpriv,
286 enum rt_media_status mstatus)
288 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
293 exhalbtc_mediastatus_notify(btcoexist, mstatus);
296 void rtl_btc_periodical(struct rtl_priv *rtlpriv)
298 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
303 /*rtl_bt_dm_monitor();*/
304 exhalbtc_periodical(btcoexist);
307 void rtl_btc_halt_notify(struct rtl_priv *rtlpriv)
309 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
314 exhalbtc_halt_notify(btcoexist);
317 void rtl_btc_btinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
319 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
324 exhalbtc_bt_info_notify(btcoexist, tmp_buf, length);
327 void rtl_btc_btmpinfo_notify(struct rtl_priv *rtlpriv, u8 *tmp_buf, u8 length)
329 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
338 if ((length < 4) || (!tmp_buf))
342 /* not response from BT FW then exit*/
343 if (extid != 1) /* C2H_TRIG_BY_BT_FW = 1 */
346 len = tmp_buf[1] >> 4;
347 seq = tmp_buf[2] >> 4;
350 /* BT Firmware version response */
352 case BT_SEQ_GET_BT_VERSION:
353 bt_real_fw_ver = tmp_buf[3] | (tmp_buf[4] << 8);
354 bt_fw_ver = tmp_buf[5];
356 btcoexist->bt_info.bt_real_fw_ver = bt_real_fw_ver;
357 btcoexist->bt_info.bt_fw_ver = bt_fw_ver;
359 case BT_SEQ_GET_AFH_MAP_L:
360 btcoexist->bt_info.afh_map_l = le32_to_cpu(*(__le32 *)data);
362 case BT_SEQ_GET_AFH_MAP_M:
363 btcoexist->bt_info.afh_map_m = le32_to_cpu(*(__le32 *)data);
365 case BT_SEQ_GET_AFH_MAP_H:
366 btcoexist->bt_info.afh_map_h = le16_to_cpu(*(__le16 *)data);
368 case BT_SEQ_GET_BT_COEX_SUPPORTED_FEATURE:
369 btcoexist->bt_info.bt_supported_feature = tmp_buf[3] |
372 case BT_SEQ_GET_BT_COEX_SUPPORTED_VERSION:
373 btcoexist->bt_info.bt_supported_version = tmp_buf[3] |
376 case BT_SEQ_GET_BT_ANT_DET_VAL:
377 btcoexist->bt_info.bt_ant_det_val = tmp_buf[3];
379 case BT_SEQ_GET_BT_BLE_SCAN_PARA:
380 btcoexist->bt_info.bt_ble_scan_para = tmp_buf[3] |
385 case BT_SEQ_GET_BT_BLE_SCAN_TYPE:
386 btcoexist->bt_info.bt_ble_scan_type = tmp_buf[3];
390 RT_TRACE(rtlpriv, COMP_BT_COEXIST, DBG_LOUD,
391 "btmpinfo complete req_num=%d\n", seq);
393 complete(&btcoexist->bt_mp_comp);
396 bool rtl_btc_is_limited_dig(struct rtl_priv *rtlpriv)
398 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
403 return btcoexist->bt_info.limited_dig;
406 bool rtl_btc_is_disable_edca_turbo(struct rtl_priv *rtlpriv)
408 bool bt_change_edca = false;
410 u32 edca_bt_hs_uplink = 0x5ea42b, edca_bt_hs_downlink = 0x5ea42b;
412 u32 edca_addr = 0x504;
414 cur_edca_val = rtl_read_dword(rtlpriv, edca_addr);
415 if (halbtc_is_wifi_uplink(rtlpriv)) {
416 if (cur_edca_val != edca_bt_hs_uplink) {
417 edca_hs = edca_bt_hs_uplink;
418 bt_change_edca = true;
421 if (cur_edca_val != edca_bt_hs_downlink) {
422 edca_hs = edca_bt_hs_downlink;
423 bt_change_edca = true;
428 rtl_write_dword(rtlpriv, edca_addr, edca_hs);
433 bool rtl_btc_is_bt_disabled(struct rtl_priv *rtlpriv)
435 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
440 /* It seems 'bt_disabled' is never be initialized or set. */
441 if (btcoexist->bt_info.bt_disabled)
447 void rtl_btc_special_packet_notify(struct rtl_priv *rtlpriv, u8 pkt_type)
449 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
454 return exhalbtc_special_packet_notify(btcoexist, pkt_type);
457 void rtl_btc_switch_band_notify(struct rtl_priv *rtlpriv, u8 band_type,
460 struct btc_coexist *btcoexist = rtl_btc_coexist(rtlpriv);
461 u8 type = BTC_NOT_SWITCH;
469 type = BTC_SWITCH_TO_24G;
471 type = BTC_SWITCH_TO_24G_NOFORSCAN;
475 type = BTC_SWITCH_TO_5G;
479 if (type != BTC_NOT_SWITCH)
480 exhalbtc_switch_band_notify(btcoexist, type);
483 void rtl_btc_switch_band_notify_wifionly(struct rtl_priv *rtlpriv, u8 band_type,
486 struct wifi_only_cfg *wifionly_cfg = rtl_btc_wifi_only(rtlpriv);
487 u8 is_5g = (band_type == BAND_ON_5G);
492 exhalbtc_switch_band_notify_wifi_only(wifionly_cfg, is_5g);
495 struct rtl_btc_ops *rtl_btc_get_ops_pointer(void)
497 return &rtl_btc_operation;
500 enum rt_media_status mgnt_link_status_query(struct ieee80211_hw *hw)
502 struct rtl_priv *rtlpriv = rtl_priv(hw);
503 struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
504 enum rt_media_status m_status = RT_MEDIA_DISCONNECT;
506 u8 bibss = (mac->opmode == NL80211_IFTYPE_ADHOC) ? 1 : 0;
508 if (bibss || rtlpriv->mac80211.link_state >= MAC80211_LINKED)
509 m_status = RT_MEDIA_CONNECT;
514 u8 rtl_get_hwpg_bt_exist(struct rtl_priv *rtlpriv)
516 return rtlpriv->btcoexist.btc_info.btcoexist;